Commit graph

9042 commits

Author SHA1 Message Date
Tom Bereknyei
0e3849dc65 test: add test for non-defaulting for stding installable input 2023-06-12 08:40:17 -04:00
Eelco Dolstra
87c66f6b0f Don't include uds-remote-store.md from a header file
Closes #8484.
2023-06-12 11:10:55 +02:00
Michal Sojka
8ec1ba0210 Register all PrimOps via the Info structure
This will allow documenting them (in later commits).

Note that we keep the old constructor even if it is no longer used by
Nix code, because it is used in tests/plugins/plugintest.cc, which
suggests that it might be used by some external plugin.
2023-06-11 21:40:43 +02:00
Tom Bereknyei
08089fdd32 fix: Do not apply default installables when using --stdin 2023-06-11 13:33:38 -04:00
Eelco Dolstra
e54538c461 restoreMountNamespace(): Restore the original root directory
This is necessary when we're in a chroot environment, where the
process root is not the same as the root of the mount namespace
(e.g. in nixos-enter).

Fixes #7602.
2023-06-09 16:09:29 +02:00
Eelco Dolstra
381a32981b
Merge branch 'master' into angerman/mac-fix-recursive-nix 2023-06-09 13:06:47 +02:00
Andrea Bedini
3c78920f73
Parse TOML timestamps (#8120)
Currently `fromTOML` throws an exception when encountering a timestamp
since the Nix language lacks a way to represent them.

This patch changes this beaviour and makes `fromTOML` parse timestamps as
attrsets of the format

  { _type = "timestamp"; value = "1979-05-27T07:32:00Z"; }

This is guarded by an experimental feature flag to leave room for iterating on the representation.
2023-06-09 11:53:18 +02:00
Eelco Dolstra
b56319a139
Merge pull request #8391 from aneeshusa/remove-wrong-default-value-in-docs-for-hashed-mirrors
Remove old default from docs for `hashed-mirrors`
2023-06-06 12:54:28 +02:00
Eelco Dolstra
864ab1a7ac
Merge pull request #8438 from zhaofengli/armv5tel-linux32
Also set the PER_LINUX32 personality flag on armv5tel-linux
2023-06-06 12:47:16 +02:00
Eelco Dolstra
51b3576855
Merge pull request #8456 from emilytrau/include-select
Add missing <sys/select.h> include
2023-06-06 12:45:51 +02:00
Eelco Dolstra
f5c6b29940 Fix SourcePath::resolveSymlinks()
This fixes handling of symlinks that start with '..', and symlink
targets that contain symlinks themselves.
2023-06-06 11:24:10 +02:00
Emily Trau
b37dd43db4 Add missing <sys/select.h> include
`select()` may not be ambiently available for use on every platform
2023-06-05 20:18:24 -07:00
figsoda
b64450ed4e Fix code block formatting in man page 2023-06-04 14:50:47 -04:00
Alexander Bantyev
a15b2c01c0
Document manual migration for use-xdg-base-directories (#8044)
* Document manual migration for use-xdg-base-directories

As there's currently no automatic migration for use-xdg-base-directories
option, add instructions for manual migration to the option's
description.

Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
2023-06-02 15:38:17 +00:00
Zhaofeng Li
48632e6139 Also set the PER_LINUX32 personality flag on armv5tel-linux 2023-06-02 03:04:13 -06:00
Shamrock Lee
b292177eec Add nix-channel --list-generations
Add support to --list-generations
as another way to say
nix-env --profile /nix/var/nix/profiles/per-user/$USER/channels --list-generations
the way we did for nix-channel --rollback [generation id]
2023-06-02 10:12:35 +02:00
Eelco Dolstra
9a5b9c588f
Merge pull request #8421 from fricklerhandwerk/doc-replaceStrings
update documentation according to release notes
2023-05-31 12:10:32 +02:00
Valentin Gagarin
738c0d5064
Merge pull request #8318 from fricklerhandwerk/doc-currentTime
document `builtins.currentTime`
2023-05-31 03:15:54 +02:00
Valentin Gagarin
9afd525e18 update documentation according to release notes 2023-05-30 22:58:15 +02:00
Robert Hensing
bed2fe2312
Merge pull request #8398 from polykernel/perf/lazy-eval-replacements-replacestrings
primops: lazy evaluation of replaceStrings replacements
2023-05-30 22:49:42 +02:00
Eelco Dolstra
ecae62020b
Merge pull request #8406 from NixOS/fix-ca-attrs-false
Restore Nix 2.3 behaviour for {__impure,__contentAddressed} = false
2023-05-30 11:59:14 +02:00
Eelco Dolstra
61ddfa154b
Merge pull request #8399 from tweag/fix-chrooted-stores-error-path
Properly report build errors on chrooted stores
2023-05-27 17:55:57 +02:00
Eelco Dolstra
e4aebccf20 Restore Nix 2.3 behaviour for {__impure,__contentAddressed} = false
Fixes #8405.
2023-05-27 17:53:30 +02:00
Yorick van Pelt
2c462486fe
create pathAccessible, use it to infer default dirs 2023-05-26 15:36:47 +02:00
Yorick van Pelt
a6c78ba367
getDefaultNixPath: ignore EPERM 2023-05-26 15:36:46 +02:00
Yorick van Pelt
b7cde90c6b
Call getDefaultSSLCertFile() only when none is specified
This does pathExists on various paths, which crashes on EPERM in the
macOS sandbox.
2023-05-26 15:36:45 +02:00
Silvan Mosberger
be48907470
ci: Always run with sandbox, even on Darwin
And fix a test failure in the sandbox due to /home
existing on Darwin but not being accessible in the sandbox since it's a
symlink to /System/Volumes/Data/home, see
https://github.com/NixOS/nix/actions/runs/4205378453/jobs/7297384658#step:6:2127:

    C++ exception with description "error: getting status of /home/schnitzel/darmstadt/pommes: Operation not permitted" thrown in the test body.

On Linux this wasn't a problem because there /home doesn't exist in the sandbox
2023-05-26 15:36:44 +02:00
polykernel
a382919d7d
primops: lazy evaluation of replaceStrings replacements
The primop `builtins.replaceStrings` currently always strictly evaluates the
replacement strings, however time and space are wasted for their computation
if the corresponding pattern do not occur in the input string. This commit
makes the evaluation of the replacement strings lazy by deferring their
evaluation to when the corresponding pattern are matched and memoize the result
for efficient retrieval on subsequent matches.

The testcases for replaceStrings was updated to check for lazy evaluation
of the replacements. A note was also added in the release notes to
document the behavior change.
2023-05-25 18:35:23 -04:00
Théophane Hufschmitt
d16a1994fb Properly report build errors on chrooted stores
When encountering a build error, Nix moves the output paths out of the
chroot into their final location (for “easier debugging of build
failures”). However this was broken for chroot stores as it was moving
it to the _logical_ location, not the _physical_ one.

Fix it by moving to the physical (_real_) location.

Fix https://github.com/NixOS/nix/issues/8395
2023-05-25 16:38:29 +02:00
Aneesh Agrawal
c694f1a2f3 Remove old default from docs for hashed-mirrors
The `hashed-mirrors` option did use to have this default value,
but it was removed and re-added with an empty default value.
As the autogenerated docs show the (actual) default values from code,
remove this incorrect reference from the docs.

I was updating my nix.conf settings after a few years and noticed this.
2023-05-24 11:05:40 -04:00
Théophane Hufschmitt
34e1b464f0 Normalize the hash-rewriting process when building derivations 2023-05-24 14:11:50 +02:00
Théophane Hufschmitt
a917fb0d53 Use a RewritingSink in derivation goal
Possibly this will make it stream
2023-05-24 14:11:50 +02:00
Théophane Hufschmitt
3ebe1341ab Make RewritingSink accept a map of rewrites
Giving it the same semantics as `rewriteStrings`.
Also add some tests for it
2023-05-24 14:11:50 +02:00
oxalica
303858afad Fix typo in error message of too long store path 2023-05-24 01:24:28 +08:00
Peter Becich
a420ccc6a8
nix flake check: skip derivations for foreign systems (#7759)
`nix flake show` now skips derivations for foreign systems: https://github.com/NixOS/nix/pull/6988

This commit borrows from that to implement the same behavior for `nix flake check`.

See "nix flake check breaks on IFD in multi-platform flake" https://github.com/NixOS/nix/issues/4265
2023-05-23 06:59:44 +02:00
Théophane Hufschmitt
494a09c6df
Merge pull request #8377 from layus/fix-ssl-cert-mount
Make mounting ssl cert file optional
2023-05-22 14:06:57 +02:00
Théophane Hufschmitt
673fe85976
Merge pull request #8365 from obsidiansystems/proto-structs
Revert "Revert "Use template structs instead of phantoms""
2023-05-22 09:34:34 +02:00
Guillaume Maudoux
b14fea6fff Shortcircuit for empty caFile 2023-05-19 23:30:35 +02:00
Guillaume Maudoux
36b7e30c11 Make mounting ssl cert file optional 2023-05-19 22:47:40 +02:00
Eelco Dolstra
3305fd0cb1
Merge pull request #8354 from KasyanDiGris/git-fetcher-ask-credentials
Ask for git credentials in fetcher
2023-05-19 13:40:43 +02:00
Eelco Dolstra
34381d5747
Merge pull request #8215 from obsidiansystems/general-repair-path
Support `repairPath` on most stores.
2023-05-19 13:39:48 +02:00
Eelco Dolstra
e31d9b910d
Merge pull request #7312 from layus/fixed-output-system-cert
Allow system certs access to fixed-output derivations
2023-05-19 13:05:16 +02:00
Robert Hensing
b1c34c0ee8
Merge pull request #8366 from obsidiansystems/worker-proto-forward-decl-types
Don't use `store-api.hh` in `worker-protocol.hh`
2023-05-18 14:33:52 +02:00
Konstantin Vukolov
31ffd0c1fe Remove unused 2023-05-18 13:26:23 +03:00
Konstantin Vukolov
4c4ae887b8 Add option isInteractive 2023-05-18 13:18:34 +03:00
John Ericson
9923403d90 Don't use store-api.hh in worker-protocol.hh
Using abstract types like can help cut down on compilation time, both
from scratch, and especially incremental builds during development. The
idea is that `worker-protocol.hh` can declare all the (de)serializers, but
only again abstract types; when code needs to use some (de)serializers, it can
include headers just for the data types it needs to (de)serialize.

`store-api.hh` in particular is a bit of a sledgehammer, and the data
types we want to serialize have their own headers.
2023-05-18 00:20:24 -04:00
John Ericson
cb5052d98f Revert "Revert "Use template structs instead of phantoms""
This is the more typically way to do [Argument-dependent
lookup](https://en.cppreference.com/w/cpp/language/adl)-leveraging
generic serializers in C++. It makes the relationship between the `read`
and `write` methods more clear and rigorous, and also looks more
familiar to users coming from other languages that do not have C++'s
libertine ad-hoc overloading.

I am returning to this because during the review in
https://github.com/NixOS/nix/pull/6223, it came up as something that
would make the code easier to read --- easier today hopefully already,
but definitely easier if we were have multiple codified protocols with
code sharing between them as that PR seeks to accomplish.

If I recall correctly, the main criticism of this the first time around
(in 2020) was that having to specify the type when writing, e.g.
`WorkerProto<MyType>::write`, was too verbose and cumbersome. This is
now addressed with the `workerProtoWrite` wrapper function.

This method is also the way `nlohmann::json`, which we have used for a
number of years now, does its serializers, for what its worth.

This reverts commit 45a0ed82f0. That
commit in turn reverted 9ab07e99f5.
2023-05-17 22:44:47 -04:00
John Ericson
b9e5ce4a27 Upgrade downstreamPlaceholder to a type with methods
This gets us ready for dynamic derivation dependencies (part of RFC 92).
2023-05-17 17:41:16 -04:00
John Ericson
e7c1113a37 Add test for downstreamPlaceholder
This is good in general, but in particular ensures when we heavily
refactor it in the next commit there is less likelihood for an
unintentional change in behavior to sneak in.
2023-05-17 17:31:33 -04:00
John Ericson
32dc77ba5d
Merge pull request #8349 from tweag/fix-control-master
Fix ControlMaster behaviour
2023-05-17 12:17:09 -04:00
John Ericson
05cb93442c
Merge pull request #8360 from obsidiansystems/worker-protocol.cc
Move `worker_proto` defs out of `remote-store.cc` to own file
2023-05-17 11:04:29 -04:00
John Ericson
904878d6d2 Move worker_proto defs out of remote-store.cc to own file
These items are not templates, and they declared in
`worker-protocol.hh`; therefore they should live in a
`worker-protocol.cc`.

Anything else needlessly diverges from convention. After all, it is not
like this code is only used in `remote-store.cc`; it is also used in
`daemon.cc`. There is no good reason to place it with the client
implementation or the server implementation when it used equally by
both.
2023-05-17 10:36:03 -04:00
Valentin Gagarin
6a5a8f51bb add cross-references to pure evaluation mode
use consistent wording everywhere.
add some details on the configuration option documentation.
2023-05-17 15:01:54 +02:00
Alexander Schmolck
afd9bd787d Also use long options in src/nix/*.md 2023-05-17 08:10:30 +01:00
Konstantin Vukolov
25434df0d9 Ask for git credentials in fetcher 2023-05-17 02:00:32 +03:00
John Ericson
5fd161189d
Merge pull request #8346 from tweag/fix-nix-profile-install-conflict-segfault
Fix the segfault on `nix profile install` with conflict
2023-05-16 15:49:43 -04:00
Alexander Bantyev
61cdb0b057
Fix ControlMaster behaviour 2023-05-16 18:50:09 +04:00
John Ericson
0a715ff9cf
Merge pull request #8154 from tweag/delete-old-on-all-profiles-dir
undefined
2023-05-16 09:51:41 -04:00
Théophane Hufschmitt
e997512523 Fix the printing of the installables on nix profile install conflict
- If the element comes from a flake, print the full flakeref (with the
  fragment part) and not just the reference to the flake itself
- If the element doesn't come from a flake, print its store path(s)

This is a bit too verbose, but has the advantages of being correct (and
not crashing), so it's strictly better than the previous situation

Fix https://github.com/NixOS/nix/issues/8284
2023-05-16 11:41:58 +02:00
Théophane Hufschmitt
3d144e778e Rename ProfileElement.describe() to .identifier
This method isn't used to describe what the element is, but to return a
unique identifier for it whithin the current profile
2023-05-16 11:41:58 +02:00
John Ericson
746c6aae3f Merge remote-tracking branch 'upstream/master' into best-effort-supplementary-groups 2023-05-15 16:50:11 -04:00
John Ericson
2524a21186
Update src/libstore/build/local-derivation-goal.cc
Co-authored-by: Guillaume Girol <symphorien@users.noreply.github.com>
2023-05-15 12:38:39 -04:00
John Ericson
f8a6a9e473
Merge pull request #8341 from obsidiansystems/dedup-gen-hh
Dedup some markdown -> C++ big literal stuff in build system
2023-05-15 11:44:35 -04:00
Robert Hensing
41591b33a9
Merge pull request #8340 from NixOS/delete-commited-build-artifacts
Delete commited build artifacts
2023-05-15 17:30:20 +02:00
John Ericson
98afd6ff76 Delete commited build artifacts
They were improperly added in 8a93b5a551.

They were not `.gitignore`d because they were stale in that commit --
build artifacts no longer used that name by then and so `.gitignore` was
updated accordingly.
2023-05-15 10:50:33 -04:00
John Ericson
bbd7d5de09 Fix some bounds in rapid check instances
`inRange` is exclusive not inclusive:
https://github.com/emil-e/rapidcheck/blob/master/doc/generators.md#usage

Furthermore, use `std::variant_size_v` so we use the right number
automatically.

Finally, make the `switch` assert the discriminant is in bounds as
expected.
2023-05-15 10:41:44 -04:00
John Ericson
f7c896cfd8 Dedup some markdown -> C++ big literal stuff in build system
This pattern rule was unwisely hidden in `src/libstore/local.mk`. Now it
is properly in `mk/` and we reuse it for the profile docs too.
2023-05-15 10:38:11 -04:00
John Ericson
d2162e7acd Make more string values work as installables
As discussed in #7417, it would be good to make more string values work
as installables. That is to say, if an installable refers to a value,
and the value is a string, it used to not work at all, since #7484, it
works somewhat, and this PR make it work some more.

The new cases that are added for `BuiltPath` contexts:

- Fixed input- or content-addressed derivation:

  ```
  nix-repl> hello.out.outPath
  "/nix/store/jppfl2bp1zhx8sgs2mgifmsx6dv16mv2-hello-2.12"

  nix-repl> :p builtins.getContext hello.out.outPath
  { "/nix/store/c7jrxqjhdda93lhbkanqfs07x2bzazbm-hello-2.12.drv" = { outputs = [ "out" ]; }; }

  The string matches the specified single output of that derivation, so
  it should also be valid.

- Floating content-addressed derivation:

  ```
  nix-repl> (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath
  "/1a08j26xqc0zm8agps8anxpjji410yvsx4pcgyn4bfan1ddkx2g0"

  nix-repl> :p builtins.getContext (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath
  { "/nix/store/qc645pyf9wl37c6qvqzaqkwsm1gp48al-hello-2.12.drv" = { outputs = [ "out" ]; }; }
  ```

  The string is not a path but a placeholder, however it also matches
  the context, and because it is a CA derivation we have no better
  option. This should also be valid.

We may also want to think about richer attrset based values (also
discussed in that issue and #6507), but this change "completes" our
string-based building blocks, from which the others can be desugared
into or at least described/document/taught in terms of.

Progress towards #7417

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-05-15 09:03:38 -04:00
John Ericson
5a23b80b0a Create EvalState::coerceToDerivedPath
This gives us some round trips to test.

`EvalState::coerceToDerivedPathUnchecked` is a factored out helper just
for unit testing.
2023-05-15 09:03:37 -04:00
John Ericson
8e1a990268 Expose mkOutputString as method of EvalState 2023-05-15 09:03:37 -04:00
John Ericson
0a9afce3b9 Split mkOutputString in two
This well help us with some unit testing
2023-05-15 09:03:37 -04:00
John Ericson
9550c3862f Remove unneeded argument for mkOutputString 2023-05-15 09:03:37 -04:00
John Ericson
914672dc4f
Merge pull request #8141 from tweag/user-files-doc
Document user files of nix
2023-05-15 07:11:47 -04:00
Théophane Hufschmitt
64b0cc5bc4 Make nix-collect-garbage -d look into more places
Make it look into the new-style profiles dir, the old-style one, and the
target of `~/.nix-profile` to be sure that we don't miss anything
2023-05-15 11:36:53 +02:00
Matej Urbas
c66a7af0c6 max-substitution-jobs release note entry 2023-05-14 09:51:11 +01:00
Eelco Dolstra
643b8d2126
Merge pull request #8299 from urbas/max-substitution-jobs
`max-substitution-jobs` setting
2023-05-12 12:24:27 +02:00
John Ericson
a93110ab19 Fix nix print-dev-env & nix develop with drv paths
Fixes #8309

This regression was because both `CmdDevelop` and `CmdPrintDevEnv` were
switched to be `InstallableValueCommand` subclasses, but actually
neither should have been.

The `nixpkgsFlakeRef` method should indeed not be on the base
installable class, because "flake refs" and "nixpkgs" are not
installable-wide notions, but that doesn't mean these commands should
only accept installable values.
2023-05-10 11:29:45 -04:00
John Ericson
53a1354acf
Merge pull request #3959 from obsidiansystems/ca-drv-exotic
Derivations can output "text-hashed" data
2023-05-10 10:41:59 -04:00
Théophane Hufschmitt
85ff212051
Merge pull request #7721 from yorickvP/post-build-hook
Also pass unwanted outputs to post-build-hook
2023-05-10 14:30:42 +02:00
John Ericson
6a3a87a714 Improve error message for self reference with text hashing
The `ContentAddressWithReferences` method is made total, with error
handling now squarely the caller's job. This is better.
2023-05-09 14:44:08 -04:00
John Ericson
e514b3939a Add name to some error messages 2023-05-09 13:24:53 -04:00
John Ericson
753fc1661d Cleanups to content address types 2023-05-09 13:05:38 -04:00
John Ericson
d3c125e5a8
Apply suggestions from code review
Thanks!

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-05-09 12:45:51 -04:00
John Ericson
6513f4fe92 Fix bug, newInfo -> newInfo0
It appears we were checking a variable in the process of definining it.
2023-05-09 12:31:36 -04:00
John Ericson
35dcbe1c21 Fix spurious change
Didn't mean to use the private name that shouldn't be exposed.
2023-05-09 12:19:03 -04:00
Alex Ameen
82296f8113
prevent double quotation 2023-05-09 09:59:18 -05:00
Alex Ameen
b72bc4a972
libexpr: quote reserved keys when printing
This fixes a bug in commands like `nix eval' which would emit invalid attribute
sets if they contained reserved keywords such as "assert", "let", etc.

These keywords will not be quoted when printed, making them valid expressions.
All keywords recognized by the lexer are quoted except "or", which does not
require quotation.
2023-05-09 09:45:12 -05:00
Matej Urbas
13185133bc introduces Goal::jobCategory 2023-05-08 19:45:46 +01:00
John Ericson
6d1aa523de Create escape hatch for supplementary group sandboxing woes
There is no obvious good solution for this that has occured to anyone.
2023-05-08 14:41:47 -04:00
Matej Urbas
1ea1e378de removes MaxSubstitutionJobsSetting 2023-05-08 19:21:57 +01:00
John Ericson
b5d9ef0a4c
Merge pull request #3921 from obsidiansystems/trustless-remote-builder-simple
Trustless remote building for input-addressed drvs
2023-05-08 10:43:37 -04:00
John Ericson
df53a7d268 Split comment, match with each variable 2023-05-08 10:08:01 -04:00
John Ericson
cd0d8e0bd5
Apply suggestions from code review
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
2023-05-08 09:57:05 -04:00
John Ericson
278c94d607 Rename a few things in new tests
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-05-08 08:01:58 -04:00
Yorick van Pelt
12685ef45f
CA: rewrite hashes for all outputs, not just the wanted ones 2023-05-08 12:58:59 +02:00
Yorick van Pelt
2ca2c80c4e
libstore: also pass unwanted outputs to the post-build-hook 2023-05-08 12:58:59 +02:00
Robert Hensing
cf8effdae2
Merge pull request #8263 from frederictobiasc/improve-doc-genericclosure
Documentation: Improve builtins.genericClosure
2023-05-08 12:23:19 +02:00
Matej Urbas
613bc699bb max-substitution-jobs setting 2023-05-07 20:22:18 +01:00
figsoda
0662fd8599 Fix hostRegex to accept hosts with a - 2023-05-03 18:59:44 -04:00
Eelco Dolstra
17e6b85d05 nix: Support the --repair flag 2023-04-28 17:03:04 +02:00
Valentin Gagarin
f8620758aa display documentation on manifest files separately
it's probably better not to show the manifest file documentation in the
command-specific pages, because these are implementation details that are not really practically useful.

this means no additional hassle for building the manual, but clutters
the table of contents a bit.
2023-04-28 12:10:36 +02:00
Valentin Gagarin
be7c236565 move compatibility info to nix profile docs 2023-04-26 15:39:35 +02:00
Alexander Bantyev
aee5e82b42 Include user-profiles.md into nix profile --help 2023-04-26 15:38:19 +02:00
Alexander Bantyev
8a93b5a551 Document user files of nix 2023-04-26 15:38:19 +02:00
Frédéric Christ
f0d2b7eef3 Doc: Improve builtins.genericClosure 2023-04-26 09:37:32 +02:00
Eelco Dolstra
87f676b3a0 Formatting 2023-04-25 16:52:02 +02:00
Eelco Dolstra
a74d397549 nix build --json: Only show non-zero startTime / stopTime 2023-04-25 16:43:47 +02:00
Eelco Dolstra
880e7b8ed6 TarArchive: Remove a duplicate constant and increase the buffer size 2023-04-25 16:43:10 +02:00
Moritz Angermann
0e18254aa8
Fix shutdown behavior and resource management for recursive-nix on macOS
Previously, we relied on the `shutdown()` function to terminate `accept()`
calls on a listening socket. However, this approach did not work on macOS as
the waiting `accept()` call is not considered a connected socket, resulting in
an `ENOTCONN` error. Instead, we now close the listening socket to terminate
the `accept()` call.

Additionally, we fixed a resource management issue where we set the
`daemonSocket` variable to -1, triggering resource cleanup and causing the
`stopDaemon` function to be called twice. This resulted in errors as the socket
was already closed by the time the second `stopDaemon` call was made. Instead of
setting `daemonSocket` to -1, we now release the socket using the `release()`
method on a unique pointer. This properly transfers ownership and allows for
correct resource cleanup.

These changes ensure proper behavior and resource management for the
recursive-nix feature on macOS.
2023-04-25 09:39:05 +08:00
Eelco Dolstra
5d3f6dbf59 Add some more SourcePath docs 2023-04-24 13:37:51 +02:00
Eelco Dolstra
ad57cff9bc
Document tMisc
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-04-24 13:34:46 +02:00
Eelco Dolstra
01232358ff Merge remote-tracking branch 'origin/master' into source-path 2023-04-24 13:20:36 +02:00
John Ericson
8eeaf591db
Add more docs to TextIngestionMethod
Thanks so much!

Co-authored-by: Adam Joseph <54836058+amjoseph-nixpkgs@users.noreply.github.com>
2023-04-21 01:30:55 -04:00
John Ericson
85f0cdc370 Use std::set<StringContextElem> not PathSet for string contexts
Motivation

`PathSet` is not correct because string contexts have other forms
(`Built` and `DrvDeep`) that are not rendered as plain store paths.
Instead of wrongly using `PathSet`, or "stringly typed" using
`StringSet`, use `std::std<StringContextElem>`.

-----

In support of this change, `NixStringContext` is now defined as
`std::std<StringContextElem>` not `std:vector<StringContextElem>`. The
old definition was just used by a `getContext` method which was only
used by the eval cache. It can be deleted altogether since the types are
now unified and the preexisting `copyContext` function already suffices.

Summarizing the previous paragraph:

Old:

  - `value/context.hh`: `NixStringContext = std::vector<StringContextElem>`
  - `value.hh`: `NixStringContext Value::getContext(...)`
  - `value.hh`: `copyContext(...)`

New:

  - `value/context.hh`: `NixStringContext = std::set<StringContextElem>`
  - `value.hh`: `copyContext(...)`
----

The string representation of string context elements no longer contains
the store dir. The diff of `src/libexpr/tests/value/context.cc` should
make clear what the new representation is, so we recommend reviewing
that file first. This was done for two reasons:

Less API churn:

`Value::mkString` and friends did not take a `Store` before. But if
`NixStringContextElem::{parse, to_string}` *do* take a store (as they
did before), then we cannot have the `Value` functions use them (in
order to work with the fully-structured `NixStringContext`) without
adding that argument.

That would have been a lot of churn of threading the store, and this
diff is already large enough, so the easier and less invasive thing to
do was simply make the element `parse` and `to_string` functions not
take the `Store` reference, and the easiest way to do that was to simply
drop the store dir.

Space usage:

Dropping the `/nix/store/` (or similar) from the internal representation
will safe space in the heap of the Nix programming being interpreted. If
the heap contains many strings with non-trivial contexts, the saving
could add up to something significant.

----

The eval cache version is bumped.

The eval cache serialization uses `NixStringContextElem::{parse,
to_string}`, and since those functions are changed per the above, that
means the on-disk representation is also changed.

This is simply done by changing the name of the used for the eval cache
from `eval-cache-v4` to eval-cache-v5`.

----

To avoid some duplication `EvalCache::mkPathString` is added to abstract
over the simple case of turning a store path to a string with just that
string in the context.

Context

This PR picks up where #7543 left off. That one introduced the fully
structured `NixStringContextElem` data type, but kept `PathSet context`
as an awkward middle ground between internal `char[][]` interpreter heap
string contexts and `NixStringContext` fully parsed string contexts.

The infelicity of `PathSet context` was specifically called out during
Nix team group review, but it was agreeing that fixing it could be left
as future work. This is that future work.

A possible follow-up step would be to get rid of the `char[][]`
evaluator heap representation, too, but it is not yet clear how to do
that. To use `NixStringContextElem` there we would need to get the STL
containers to GC pointers in the GC build, and I am not sure how to do
that.

----

PR #7543 effectively is writing the inverse of a `mkPathString`,
`mkOutputString`, and one more such function for the `DrvDeep` case. I
would like that PR to have property tests ensuring it is actually the
inverse as expected.

This PR sets things up nicely so that reworking that PR to be in that
more elegant and better tested way is possible.

Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
2023-04-21 01:05:49 -04:00
John Ericson
7103c6da70 Remove references from fixed output derivation ab syntax
In other words, use a plain `ContentAddress` not
`ContentAddressWithReferences` for `DerivationOutput::CAFixed`.

Supporting fixed output derivations with (fixed) references would be a
cool feature, but it is out of scope at this moment.
2023-04-19 15:00:04 -04:00
John Ericson
aba8a8a83a Add a few more content addressing methods
Good to round out the library interface.
2023-04-19 14:13:30 -04:00
John Ericson
20decfd302 Gate dynamic-derivations with drv fromJSON too
Don't want `nix derivation add` to be a way to sneak by experimental
feature checks!
2023-04-19 12:44:38 -04:00
John Ericson
76baaeb341 Merge remote-tracking branch 'upstream/master' into ca-drv-exotic 2023-04-19 11:32:14 -04:00
Théophane Hufschmitt
d3e2394e91
Merge pull request #8233 from wentasah/narinfo-corrupt-reason
Make "NAR info file is corrupt" messages more informative
2023-04-19 06:57:08 +02:00
Robert Hensing
28d7ffd448
Merge pull request #8220 from accelbread/whitelist-commit-lockfile-summary
Add commit-lockfile-summary to flake nixConfig whitelist
2023-04-18 16:49:33 +02:00
Robert Hensing
5cd9890e8a src/nix/flake.md: Itemize safe nixConfigs 2023-04-18 16:06:58 +02:00
Michal Sojka
d30d2dc861 Make "NAR info file is corrupt" messages more informative
Recently, I encountered the "NAR info file 'xxxx' is corrupt" error
with my binary cache. The message is not helpful in determining, which
kind of corruption happened. The file, fetched with curl, looked
reasonably.

This commit adds more information to the error message, which should
allow debugging and hopefully fixing the problem.
2023-04-18 14:10:49 +02:00
John Ericson
668377f217 TextHashMethod -> TextIngestionMethod, gate with XP feature
I suppose we can use `dynamic-derivations` for the few things we neeed.
2023-04-17 19:02:45 -04:00
John Ericson
f56c4a5bdf Merge remote-tracking branch 'upstream/master' into ca-drv-exotic 2023-04-17 18:10:12 -04:00
John Ericson
aa74c7b0bc Gate experimental features in DerivationOutput::fromJSON
This is an entry point for outside data, so we need to check enabled
experimental features here.
2023-04-17 17:36:12 -04:00
John Ericson
ab5ca608bf Merge remote-tracking branch 'upstream/master' into trustless-remote-builder-simple 2023-04-17 13:54:48 -04:00
John Ericson
23ee2d79a9 Use buildPathsWithResults in build-remote.cc trustless path
It handles failures more correctly; I am glad we have it now!
2023-04-17 13:49:14 -04:00
John Ericson
79ba0ba37a Improve the build remote comment. 2023-04-17 13:49:14 -04:00
Robert Hensing
64ee02890c
Merge pull request #8230 from obsidiansystems/daemon-trust-override
Experimentally allow forcing `nix-daemon` trust; use this to test
2023-04-17 19:43:41 +02:00
John Ericson
d41e1bed5e Experimentally allow forcing nix-daemon trust; use this to test
We finally test the status quo of remote build trust in a number of
ways. We create a new experimental feature on `nix-daemon` to do so.

PR #3921, which improves the situation with trustless remote building,
will build upon these changes. This code / tests was pull out of there
to make this, so everything is easier to review, and in particular we
test before and after so the new behavior in that PR is readily apparent
from the testsuite diff alone.
2023-04-17 13:06:21 -04:00
John Ericson
2c8475600d Fix some issues with experimental config settings
Issues:

1. Features gated on disabled experimental settings should warn and be
   ignored, not silently succeed.

2. Experimental settings in the same config "batch" (file or env var)
   as the enabling of the experimental feature should work.

3. For (2), the order should not matter.

These are analogous to the issues @roberth caught with my changes for
arg handling, but they are instead for config handling.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-04-17 12:41:04 -04:00
Robert Hensing
3f9589f17e
Merge pull request #6312 from obsidiansystems/keyed-build-result
Shuffle `BuildResult` data definition, make state machine clearer, introduce `SingleDrvOutputs`
2023-04-17 18:08:05 +02:00
John Ericson
2eb493ca51 Fix DerivationOutput::fromJSON 2023-04-17 10:28:54 -04:00
John Ericson
e12efa3654 Merge remote-tracking branch 'upstream/master' into ca-drv-exotic 2023-04-17 10:16:57 -04:00
Robert Hensing
e641de085b
Merge pull request #3746 from obsidiansystems/path-info
Introduce `StoreReferences` and `ContentAddressWithReferences`
2023-04-17 15:49:48 +02:00
John Ericson
e95db8f2b9 nix-testing -> daemon-trust-override
And only enable in the tests that need it. This makes it less of a
sledgehammer.
2023-04-17 09:35:43 -04:00
John Ericson
b1343e8ad1 Merge remote-tracking branch 'upstream/master' into trustless-remote-builder-simple 2023-04-17 09:27:17 -04:00
John Ericson
537e8719f2
Explain various .self = false,
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-04-17 09:15:11 -04:00
John Ericson
72ffa7fedb
Merge pull request #7732 from hercules-ci/make-initLibStore-viable-alternative
Make `initLibStore` a viable alternative
2023-04-17 08:04:41 -04:00
Robert Hensing
cb2615cf47 Merge remote-tracking branch 'upstream/master' into source-path 2023-04-17 11:41:50 +02:00
Robert Hensing
9af9c260fc
Merge pull request #8193 from hercules-ci/dry-strings
Deduplicate string literal rendering, fix 4909
2023-04-17 11:19:40 +02:00
John Ericson
9800c1e807 Mark experimental configuration settings programmatically
Fix #8162

The test is changed to compare `nlohmann::json` values, not strings of dumped
JSON, which allows us to format things more nicely.
2023-04-16 10:58:04 -04:00
Robert Hensing
b6125772d7 libexpr: Move identifier-like printing to print.cc 2023-04-16 14:07:35 +02:00
Robert Hensing
28a5cdde02 libexpr/value/print.* -> libexpr/print.*
Generalizes the file to sensibly allow printing any part of the
language syntax.
2023-04-16 13:10:45 +02:00
Robert Hensing
1e2dd669bc printLiteral: Do not overload 2023-04-16 13:04:35 +02:00
Robert Hensing
9c74df5bb4
Format
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
Co-authored-by: John Ericson <git@JohnEricson.me>
2023-04-15 20:56:51 +02:00
John Ericson
24866b71c4 Introduce SingleDrvOutputs
In many cases we are dealing with a collection of realisations, they are
all outputs of the same derivation. In that case, we don't need
"derivation hashes modulos" to be part of our map key, because the
output names alone will be unique. Those hashes are still part of the
realisation proper, so we aren't loosing any information, we're just
"normalizing our schema" by narrowing the "primary key".

Besides making our data model a bit "tighter" this allows us to avoid a
double `for` loop in `DerivationGoal::waiteeDone`. The inner `for` loop
was previously just to select the output we cared about without knowing
its hash. Now we can just select the output by name directly.

Note that neither protocol is changed as part of this: we are still
transferring `DrvOutputs` over the wire for `BuildResult`s. I would only
consider revising this once #6223 is merged, and we can mention protocol
versions inside factored-out serialization logic. Until then it is
better not change anything because it would come a the cost of code
reuse.
2023-04-15 12:51:19 -04:00
John Ericson
0f2b5146c7 Make restarting state machines explicit
If my memory is correct, @edolstra objected to modifying `wantedOutputs`
upon falling back to doing a build (as we did before), because we should
only modify it in response to new requests --- *actual* wants --- and
not because we are "incidentally" building all the outptus beyond what
may have been requested.

That's a fair point, and the alternative is to replace the boolean soup
with proper enums: Instead of modifying `wantedOuputs` som more, we'll
modify `needsRestart` to indicate we are passed the need.
2023-04-15 11:01:31 -04:00
John Ericson
37fca662b0 Make KeyedBuildResult, BuildResult like before, and fix bug another way
In https://github.com/NixOS/nix/pull/6311#discussion_r834863823, I
realized since derivation goals' wanted outputs can "grow" due to
overlapping dependencies (See `DerivationGoal::addWantedOutputs`, called
by `Worker::makeDerivationGoalCommon`), the previous bug fix had an
unfortunate side effect of causing more pointless rebuilds.

In paticular, we have this situation:

1. Goal made from `DerivedPath::Built { foo, {a} }`.

2. Goal gives on on substituting, starts building.

3. Goal made from `DerivedPath::Built { foo, {b} }`, in fact is just
   modified original goal.

4. Though the goal had gotten as far as building, so all outputs were
   going to be produced, `addWantedOutputs` no longer knows that and so
   the goal is flagged to be restarted.

This might sound far-fetched with input-addressed drvs, where we usually
basically have all our goals "planned out" before we start doing
anything, but with CA derivation goals and especially RFC 92, where *drv
resolution* means goals are created after some building is completed, it
is more likely to happen.

So the first thing to do was restore the clearing of `wantedOutputs` we
used to do, and then filter the outputs in `buildPathsWithResults` to
only get the ones we care about.

But fix also has its own side effect in that the `DerivedPath` in the
`BuildResult` in `DerivationGoal` cannot be trusted; it is merely the
*first* `DerivedPath` for which this goal was originally created.

To remedy this, I made `BuildResult` be like it was before, and instead
made `KeyedBuildResult` be a subclass wit the path. Only
`buildPathsWithResults` returns `KeyedBuildResult`s, everything else
just becomes like it was before, where the "key" is unambiguous from
context.

I think separating the "primary key" field(s) from the other fields is
good practical in general anyways. (I would like to do the same thing
for `ValidPathInfo`.) Among other things, it allows constructions like
`std::map<Key, ThingWithKey>` where doesn't contain duplicate keys and
just precludes the possibility of those duplicate keys being out of
sync.

We might leverage the above someday to overload `buildPathsWithResults`
to take a *set* of return a *map* per the above.

-----

Unfortunately, we need to avoid C++20 strictness on designated
initializers.

(BTW
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2287r1.html
this offers some new syntax for this use-case. Hopefully this will be
adopted and we can eventually use it.)

No having that yet, maybe it would be better to not make
`KeyedBuildResult` a subclass to just avoid this.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-04-15 11:01:31 -04:00
John Ericson
9df7f3f537 Introduce Worker::makeGoal
This takes a `DerivedPath` so the caller doesn't need to care about
which sort of goal does what.
2023-04-15 11:01:31 -04:00